Home / 18,112.92-27,173.20-5,632.64

Finding the Fourth Proportional to 18,112.92, 27,173.20 and 5,632.64

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Solution

The fourth proportional to 18,112.92, 27,173.20 and 5,632.64 is: 8,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.92 : 27,173.20 = 5,632.64 : x
  2. Step 2: Convert to fraction form
    18,112.92/27,173.20 = 5,632.64/x
  3. Step 3: Cross multiply
    18,112.92x = 27,173.20 × 5,632.64
  4. Step 4: Simplify right side
    18,112.92x = 153,056,853.25
  5. Step 5: Solve for x
    x = 153,056,853.25/18,112.92
  6. Step 6: Final answer
    x = 8,450.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.